Registering and Preparing for the EX210 – Red Hat Certified System Administrator in Red Hat OpenStack Exam

Posted on August 20, 2015 by Sangram Rath | Comments(4)

OpenStack is the most popular private cloud platform available in the market today and Red Hat Enterprise Linux OpenStack Platform is a secure, stable and enterprise-ready offering of OpenStack from Red Hat that has been co-engineered with the OpenStack foundation for performance and hence is one of the most preferred platforms for many enterprises.

Continue reading…

Cassandra Multi-AZ Data Replication

Posted on August 19, 2015 by CloudThat | Comments(7)

Apache Cassandra is an open source non-relational/NOSQL database. It is massively scalable and is designed to handle large amounts of data across multiple servers (Here, we shall use Amazon EC2 instances), providing high availability. In this blog, we shall replicate data across nodes running in multiple Availability Zones (AZs) to ensure reliability and fault tolerance

Continue reading…

Migration from relational database to NoSQL database

Posted on August 19, 2015 by CloudThat | Comments(0)

Relational database model was proposed in 1970, since then we are using RDBMS for most of the applications. But this model is having a hard time keeping pace with the volume, velocity, and variety of data. To keep pace with growing data storage needs, NoSQL databases were introduced in which the focus has shifted from relationships in data, to have a scalable solution to store large volumes of data.

Continue reading…

Managing Users in VMware vCloud Air

Posted on August 7, 2015 by CloudThat | Comments(2)

Companies migrating onto the cloud have numerous users with various roles that manage the infrastructure. User Management on cloud is therefore a vital part. It allows you to create and manage user accounts. You can have identity and fine grained access control by assigning specific permissions to each user. In an organization, there can be employees performing different type of actions on the infrastructure.

Continue reading…

Comparison between VMware vCloud Air and Amazon Web Services

Posted on July 3, 2015 by CloudThat | Comments(0)

Being the market leaders in data center virtualization, VMware is a front runner when it comes to private clouds. They have gained that trust amongst their customers, something of which is helpful in this era of public clouds. The gradual growth in public cloud offerings has made VMware to scratch its head, since the top companies in public cloud offerings like AWS, Microsoft Azure and Google Cloud do not use VMware.

Continue reading…